Finding the Fourth Proportional to 1,123,577,356.80, 1,685,366,035.20 and 305,689,657.80
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Solution
The fourth proportional to 1,123,577,356.80, 1,685,366,035.20 and 305,689,657.80 is: 458,534,486.70
Step by Step Solution
- Step 1: Write the proportion equation
1,123,577,356.80 : 1,685,366,035.20 = 305,689,657.80 : x - Step 2: Convert to fraction form
1,123,577,356.80/1,685,366,035.20 = 305,689,657.80/x - Step 3: Cross multiply
1,123,577,356.80x = 1,685,366,035.20 × 305,689,657.80 - Step 4: Simplify right side
1,123,577,356.80x = 515,198,966,568,030,784 - Step 5: Solve for x
x = 515,198,966,568,030,784/1,123,577,356.80 - Step 6: Final answer
x = 458,534,486.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.